This is a BRAND NEW Industrial Grade V-Belt for HVAC Lawn Mower & Automotive (and other) purposes. The Belt is 1/2" x 63" long. Replaces Sabre Scotts Ryan & Gates part #s M110312 548421 & 2640 . Thanks for looking and good luck!
Belts run along pulleys and are designed to transfer energy from one component to another. In a lawn mower application, the drive belt transfers energy from the engine to the drive wheels and mowing blades.
M110312 548421 2640